import {createWebHistory, createRouter, RouteOption, createWebHashHistory, Router} from 'vue-router';
/* Layout */
import Layout from '@/layout/index.vue';

import type {App} from "vue";

/**
 * Note: 路由配置项
 *
 * hidden: true                     // 当设置 true 的时候该路由不会再侧边栏出现 如401，login等页面，或者如一些编辑页面/edit/1
 * alwaysShow: true                 // 当你一个路由下面的 children 声明的路由大于1个时，自动会变成嵌套的模式--如组件页面
 *                                  // 只有一个时，会将那个子路由当做根路由显示在侧边栏--如引导页面
 *                                  // 若你想不管路由下面的 children 声明的个数都显示你的根路由
 *                                  // 你可以设置 alwaysShow: true，这样它就会忽略之前定义的规则，一直显示根路由
 * redirect: noRedirect             // 当设置 noRedirect 的时候该路由在面包屑导航中不可被点击
 * name:'router-name'               // 设定路由的名字，一定要填写不然使用<keep-alive>时会出现各种问题
 * query: '{"id": 1, "name": "ry"}' // 访问路由的默认传递参数
 * roles: ['admin', 'common']       // 访问路由的角色权限
 * permissions: ['a:a:a', 'b:b:b']  // 访问路由的菜单权限
 * meta : {
 noCache: true                   // 如果设置为true，则不会被 <keep-alive> 缓存(默认 false)
 title: 'title'                  // 设置该路由在侧边栏和面包屑中展示的名字
 icon: 'svg-name'                // 设置该路由的图标，对应路径src/assets/icons/svg
 breadcrumb: false               // 如果设置为false，则不会在breadcrumb面包屑中显示
 activeMenu: '/system/user'      // 当路由设置了该属性，则会高亮相对应的侧边栏。
 }
 */

import {to as tos} from 'await-to-js';
import NProgress from 'nprogress';
import 'nprogress/nprogress.css';
import {getToken} from '@/utils/auth';
import {isHttp} from '@/utils/validate';
import {isRelogin} from '@/utils/request';
import useUserStore from '@/store/modules/user';
import useSettingsStore from '@/store/modules/settings';
import usePermissionStore from '@/store/modules/permission';


function createRouteOption(routes: RouteOption[]) {
    return routes;
}

// 公共路由
export let constantRoutes: RouteOption[];


// 动态路由，基于用户权限动态去加载
export let dynamicRoutes: RouteOption[];


/**
 * 创建路由
 */
export let router: Router;


export function setupRouter(app: App) {
    constantRoutes = createRouteOption([
        {
            path: '/redirect',
            component: Layout,
            hidden: true,
            children: [
                {
                    path: '/redirect/:path(.*)',
                    component: () => import('@/views/redirect/index.vue')
                }
            ]
        },
        {
            path: '/login',
            component: () => import('@/views/login.vue'),
            hidden: true
        },
        {
            path: '/:pathMatch(.*)*',
            component: () => import('@/views/error/404.vue'),
            hidden: true
        },
        {
            path: '/401',
            component: () => import('@/views/error/401.vue'),
            hidden: true
        },
        {
            path: '',
            redirect: '/index',
            hidden: true
        },
        {
            path: '/index',
            component: Layout,
            redirect: '/index',
            children: [
                {
                    path: '',
                    component: () => import('@/views/index.vue'),
                    name: 'Index',
                    meta: {title: 'layout.header.home', icon: 'dashboard', affix: true}
                }
            ]
        },
        {
            path: '/user',
            component: Layout,
            hidden: true,
            redirect: 'noredirect',
            children: [
                {
                    path: 'profile',
                    component: () => import('@/views/system/user/profile/index.vue'),
                    name: 'Profile',
                    meta: {title: 'layout.header.profile', icon: 'user'}
                }
            ]
        }
    ]);

    dynamicRoutes = createRouteOption([
        {
            path: '/system/user-auth',
            component: Layout,
            hidden: true,
            permissions: ['system:user:edit'],
            children: [
                {
                    path: 'role/:userId(\\d+)',
                    component: () => import('@/views/system/user/authRole.vue'),
                    name: 'AuthRole',
                    meta: {title: 'menu.system-authRole', activeMenu: '/system/user', icon: ''}
                }
            ]
        },
        {
            path: '/system/role-auth',
            component: Layout,
            hidden: true,
            permissions: ['system:role:edit'],
            children: [
                {
                    path: 'user/:roleId(\\d+)',
                    component: () => import('@/views/system/role/authUser.vue'),
                    name: 'AuthUser',
                    meta: {title: 'menu.system-authUser', activeMenu: '/system/role', icon: ''}
                }
            ]
        },
        {
            path: '/system/dict-data',
            component: Layout,
            hidden: true,
            permissions: ['system:dict:list'],
            children: [
                {
                    path: 'index/:dictId(\\d+)',
                    component: () => import('@/views/system/dict/data.vue'),
                    name: 'Data',
                    meta: {title: 'menu.system-dictData', activeMenu: '/system/dict', icon: ''}
                }
            ]
        },
        {
            path: '/system/oss-config',
            component: Layout,
            hidden: true,
            permissions: ['monitor:job:list'],
            children: [
                {
                    path: 'index',
                    component: () => import('@/views/system/oss/config.vue'),
                    name: 'OssConfig',
                    meta: {title: 'menu.system-ossConfig', activeMenu: '/system/oss', icon: ''}
                }
            ]
        },
        {
            path: '/tool/gen-edit',
            component: Layout,
            hidden: true,
            permissions: ['tool:gen:edit'],
            children: [
                {
                    path: 'index/:tableId(\\d+)',
                    component: () => import('@/views/tool/gen/editTable.vue'),
                    name: 'GenEdit',
                    meta: {title: 'menu.tool-genEdit', activeMenu: '/tool/gen', icon: ''}
                }
            ]
        }
    ]);

    router = createRouter({
        history: createWebHashHistory(import.meta.env.VITE_APP_CONTEXT_PATH),
        routes: constantRoutes,
        // 刷新时，滚动条位置还原
        scrollBehavior(to, from, savedPosition) {
            if (savedPosition) {
                return savedPosition;
            } else {
                return {top: 0};
            }
        }
    });

    app.use(router)


    NProgress.configure({showSpinner: false});
    const whiteList = ['/login', '/register'];

    router.beforeEach(async (to, from, next) => {
        NProgress.start();
        if (getToken()) {
            to.meta.title && useSettingsStore().setTitle(to.meta.title as string);
            /* has token*/
            if (to.path === '/login') {
                next({path: '/'});
                NProgress.done();
            } else {
                if (to.path.indexOf('/noRedirect') != -1) {
                    NProgress.done();
                } else if (useUserStore().roles.length === 0) {
                    isRelogin.show = true;
                    // 判断当前用户是否已拉取完user_info信息
                    const [err] = await tos(useUserStore().getInfo());
                    if (err) {
                        await useUserStore().logout();
                        ElMessage.error(err);
                        next({path: '/'});
                    } else {
                        isRelogin.show = false;
                        const accessRoutes = await usePermissionStore().generateRoutes();
                        // 根据roles权限生成可访问的路由表
                        accessRoutes.forEach((route) => {
                            if (!isHttp(route.path)) {
                                router.addRoute(route); // 动态添加可访问路由表
                            }
                        });
                        next({...to, replace: true}); // hack方法 确保addRoutes已完成
                    }
                } else {
                    next();
                }
            }
        } else {
            // 没有token
            if (whiteList.indexOf(to.path) !== -1) {
                // 在免登录白名单，直接进入
                next();
            } else {
                next(`/login?redirect=${to.fullPath}`); // 否则全部重定向到登录页
                NProgress.done();
            }
        }
    });

    router.afterEach(() => {
        NProgress.done();
    });
}



